44 oz Wide Mouth with Flex Straw Cap

24 hours cold TempShield double-wall vacuum insulation Leakproof when closed Pure taste with no flavor transfer Wide Mouth opening is ice-cube friendly Bottle fits most backcountry water filters BPA-Free Dishwasher safe Flex Straw Cap not intended for use with hot liquids Not for use on a stove, in a microwave, or freezer Bottle fits all Wide Mouth caps and lids